Een verrassingsactie tijdens de reis naar Mars leidt tot wanhopige maatregelen.
Gastrollen:
Nate Corddry(Larry Wilson), Noah Harpster(Bill Strausser), Alexander Neher(Davey Kowalski), Daniel David Stewart(Nick Corrado), Alexander Sokovikov(Rolan Efimovitch Baranov), Goran Ivanovski(Dr. Dimitri Mayakovsky), Lev Gorn(Grigory Kuznetsov), Vera Cherny(Lenara Catiche), Patricia Mizen(Reporter 1), Ken Rudulph(Edward Kline), Randy Oglesby(Governor/Vice President Jim Bragg), Jessica Tuck(Christine Francis), Larry Sullivan(Ryan Bauer), Tony Curran(Clarke Halladay), Robert Bailey Jr.(Will Tyler), Heidi Sulzman(Sylvie Kaplan), Taylor Dearden(Sunny Hall), Stewart Skelton(Speaker of the House), Pawel Szajda(Alexei Poletov), Larry Clarke(Bill McGann), Amol Shah(Adarsh Sethi), Nick Boraine(Lars Hagstrom), Mandy Levin(Sandy Bostik), Ayinde Howell(Benjamin Harmon), Debbie Pollack(Zizzo Glover), William Cowart(Hal), Michael Charles Vaccaro(Jack Gould), Alexander Jo(Cal), Bonnie Bailey-Reed(Mary Meineke), Cheyenne Perez(Heather), Wade Harlan(Sergeant Jamie O'Neal), Diane Dehn(Jean Williamson), Anne Beyer(Louisa Mueller), David Chandler(Jimmy Stevens), Zac Titus(Charles Bernitz), Greta Gould(Helios Flight Controller), Jessica Galinas(Anne Baranov), Leo Marz(Peter Baranov), Christopher Ellay(NASA Engineer #2 - Johnathan Adams)